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🌟(Beauty house) limited time event run (🌟 ✔️Can shoot all is yes, can buy a variety of products one more favorable. ✔️Give customers the most direct experience, the most affordable price, quality assurance, complete after-sales service, please be assured to buy! How to distinguish between true and false ultrasound? True ultrasonic:👉 1. resonance 2 n noise-free when encountering hard objects False ultrasound:👉 1 pure physical vibration 2 noise The real ultrasonic cleaning machine does not feel vibration when it is in use, the host and the work tip are in the hands.When the work tip touches the lips/gums (soft), it doesn't vibrate either. Only when the work tip touches hard objects such as teeth, glass, metal and ceramics will it begin to work. Ultrasonic cleaning 200 million ultrasonic resonances per minute, instant solution of dental calculus 42 khz acoustic frequency, easy to solve all kinds of stubborn calculus! 💕 Product characteristics ✨ Led auxiliary light display more convenient ✨ 200W/Min acoustic resonance ✨ Ipx6 full body waterproof long life ✨ 10 minutes smart security power outage protection ✨ 42 khz acoustic frequency ✨ Three-File custom mode 💕 Commodity specifications ◆ Product name: ultrasonic cleaning device ◇ Product material: ABS+stainless steel ◆ Product power: 3.0 w ◇ Charging voltage: DC 5V-2A ◆ Charging time: 4 hours ◇ Working hours: 200 minutes ◆ Product size: 200x28 x 28mm (Service information) Hello to the customers of the beautiful pavilion We are committed to providing the best quality of sales and after - sales service. Good faith management, high quality, high sales, buy goods please identify (beautiful small shop)! We guarantee that: The material, specification information detailed description, do not sell low - quality products. If you have any questions about your purchase, please contact your customer service through a chat to serve you first time